示例#1
0
        public AuditTarget(Dictionary <string, object> audit_options, EventHandler <EnvironmentEventArgs> controller_message_handler = null)
        {
            if (ReferenceEquals(audit_options, null))
            {
                throw new ArgumentNullException("audit_options");
            }
            this.AuditOptions = audit_options;

            #region Setup host environment
            if (this.AuditOptions.ContainsKey("HostEnvironment"))
            {
                this.HostEnvironment            = (LocalEnvironment)this.AuditOptions["HostEnvironment"];
                this.HostEnvironmentInitialised = true;
            }
            else
            {
                this.ControllerMessage      = controller_message_handler;
                this.HostEnvironmentMessage = AuditTarget_HostEnvironmentMessageHandler;
                this.HostEnvironment        = new LocalEnvironment(this.HostEnvironmentMessage);
                this.HostEnvironment.ScriptEnvironment.MessageHandler += this.AuditTarget_ScriptEnvironmentMessageHandler;
                if (this.AuditOptions.ContainsKey("Dockerized"))
                {
                    this.HostEnvironment.IsDockerContainer = true;
                }
                this.HostEnvironmentInitialised = true;
            }
            #endregion

            #region Setup audit environment
            if (this.AuditOptions.ContainsKey("AuditEnvironment"))
            {
                this.AuditEnvironment           = (AuditEnvironment)this.AuditOptions["AuditEnvironment"];
                this.AuditEnvironmentIntialised = true;
            }
            else
            {
                if (this.AuditOptions.Keys.Contains("DockerContainer") && !this.AuditOptions.Keys.Contains("RemoteHost"))
                {
                    DockerAuditEnvironment docker_environment = new DockerAuditEnvironment(this.HostEnvironmentMessage, (string)this.AuditOptions["DockerContainer"], new OperatingSystem(PlatformID.Unix, new Version(0, 0)), this.HostEnvironment);
                    if (string.IsNullOrEmpty(docker_environment.Container))
                    {
                        this.AuditEnvironmentIntialised = false;
                        throw new Exception("Failed to initialise audit environment.");
                    }
                    else if (!docker_environment.ContainerRunning)
                    {
                        this.AuditEnvironmentIntialised = false;
                        throw new Exception("The Docker container is not currently running and DevAudit does not know how to run your container. Ensure your container is running before attempting to" +
                                            "audit it.");
                    }
                    else
                    {
                        this.AuditEnvironment                 = docker_environment;
                        this.AuditEnvironmentIntialised       = true;
                        this.AuditEnvironmentMessage          = AuditTarget_AuditEnvironmentMessageHandler;
                        this.AuditEnvironment.MessageHandler -= HostEnvironmentMessage;
                        this.AuditEnvironment.MessageHandler += this.AuditEnvironmentMessage;
                    }
                }
                else if (this.AuditOptions.Keys.Contains("DockerContainer") && this.AuditOptions.Keys.Contains("RemoteHost"))
                {
                    SshDockerAuditEnvironment ssh_environment = null;
                    if (this.AuditOptions.Keys.Contains("RemoteUser") && this.AuditOptions.Keys.Contains("RemoteKeyFile"))
                    {
                        if (this.AuditOptions.Keys.Contains("RemoteKeyPassPhrase"))
                        {
                            ssh_environment = new SshDockerAuditEnvironment(this.HostEnvironmentMessage, "ssh", (string)this.AuditOptions["RemoteHost"], (int)this.AuditOptions["RemoteSshPort"],
                                                                            (string)this.AuditOptions["RemoteUser"], this.AuditOptions["RemoteKeyPassPhrase"], (string)this.AuditOptions["RemoteKeyFile"],
                                                                            (string)this.AuditOptions["DockerContainer"], new OperatingSystem(PlatformID.Unix, new Version(0, 0)), this.HostEnvironment);
                        }
                        else
                        {
                            ssh_environment = new SshDockerAuditEnvironment(this.HostEnvironmentMessage, "ssh", (string)this.AuditOptions["RemoteHost"], (int)this.AuditOptions["RemoteSshPort"],
                                                                            (string)this.AuditOptions["RemoteUser"], null, (string)this.AuditOptions["RemoteKeyFile"],
                                                                            (string)this.AuditOptions["DockerContainer"], new OperatingSystem(PlatformID.Unix, new Version(0, 0)), this.HostEnvironment);
                        }
                    }
                    else if (this.AuditOptions.Keys.Contains("RemoteUser") && this.AuditOptions.Keys.Contains("RemotePass"))
                    {
                        ssh_environment = new SshDockerAuditEnvironment(this.HostEnvironmentMessage, "ssh", (string)this.AuditOptions["RemoteHost"], (int)this.AuditOptions["RemoteSshPort"],
                                                                        (string)this.AuditOptions["RemoteUser"], this.AuditOptions["RemotePass"], null, (string)this.AuditOptions["DockerContainer"], new OperatingSystem(PlatformID.Unix, new Version(0, 0)), this.HostEnvironment);
                    }
                    else
                    {
                        throw new Exception("Unknown remote host authentication options.");
                    }

                    if (ssh_environment.IsConnected)
                    {
                        if (string.IsNullOrEmpty(ssh_environment.Container))
                        {
                            this.AuditEnvironmentIntialised = false;
                            throw new Exception("Failed to initialise audit environment.");
                        }
                        else if (!ssh_environment.ContainerRunning)
                        {
                            this.AuditEnvironmentIntialised = false;
                            throw new Exception("The Docker container is not currently running and DevAudit does not know how to run your container. Ensure your container is running before attempting to" +
                                                "audit it.");
                        }
                        else
                        {
                            this.AuditEnvironment                 = ssh_environment;
                            this.AuditEnvironmentIntialised       = true;
                            this.AuditEnvironmentMessage          = AuditTarget_AuditEnvironmentMessageHandler;
                            this.AuditEnvironment.MessageHandler -= HostEnvironmentMessage;
                            this.AuditEnvironment.MessageHandler += this.AuditEnvironmentMessage;
                        }
                    }
                    else
                    {
                        ssh_environment = null;
                        this.AuditEnvironmentIntialised = false;
                        throw new Exception("Failed to initialise SSH Docker audit environment.");
                    }
                }
                else if (this.AuditOptions.Keys.Contains("RemoteHost"))
                {
                    string client;
                    SshAuditEnvironment ssh_environment = null;
                    if (this.HostEnvironment.OS.Platform == PlatformID.Win32NT)
                    {
                        client = this.AuditOptions.Keys.Contains("WindowsUsePlink") ? "plink" : this.AuditOptions.Keys.Contains("WindowsUsePlink") ? "openssh" : "ssh";
                    }
                    else
                    {
                        client = "ssh";
                    }

                    if (this.AuditOptions.Keys.Contains("RemoteUser") && this.AuditOptions.Keys.Contains("RemoteKeyFile"))
                    {
                        if (this.AuditOptions.Keys.Contains("RemoteKeyPassPhrase"))
                        {
                            ssh_environment = new SshAuditEnvironment(this.HostEnvironmentMessage, client, (string)this.AuditOptions["RemoteHost"], (int)this.AuditOptions["RemoteSshPort"],
                                                                      (string)this.AuditOptions["RemoteUser"], this.AuditOptions["RemoteKeyPassPhrase"], (string)this.AuditOptions["RemoteKeyFile"], new OperatingSystem(PlatformID.Unix, new Version(0, 0)), this.HostEnvironment);
                        }
                        else
                        {
                            ssh_environment = new SshAuditEnvironment(this.HostEnvironmentMessage, client, (string)this.AuditOptions["RemoteHost"], (int)this.AuditOptions["RemoteSshPort"],
                                                                      (string)this.AuditOptions["RemoteUser"], null, (string)this.AuditOptions["RemoteKeyFile"], new OperatingSystem(PlatformID.Unix, new Version(0, 0)), this.HostEnvironment);
                        }
                    }
                    else if (this.AuditOptions.Keys.Contains("RemoteUser") && this.AuditOptions.Keys.Contains("RemotePass"))
                    {
                        ssh_environment = new SshAuditEnvironment(this.HostEnvironmentMessage, client, (string)this.AuditOptions["RemoteHost"], (int)this.AuditOptions["RemoteSshPort"],
                                                                  (string)this.AuditOptions["RemoteUser"], this.AuditOptions["RemotePass"], null, new OperatingSystem(PlatformID.Unix, new Version(0, 0)), this.HostEnvironment);
                    }
                    else
                    {
                        throw new Exception("Unknown remote host authentication options.");
                    }

                    if (ssh_environment.IsConnected)
                    {
                        this.AuditEnvironment                 = ssh_environment;
                        this.AuditEnvironmentIntialised       = true;
                        this.AuditEnvironmentMessage          = AuditTarget_AuditEnvironmentMessageHandler;
                        this.AuditEnvironment.MessageHandler -= HostEnvironmentMessage;
                        this.AuditEnvironment.MessageHandler += this.AuditEnvironmentMessage;
                    }
                    else
                    {
                        ssh_environment = null;
                        this.AuditEnvironmentIntialised = false;
                        throw new Exception("Failed to initialise SSH audit environment.");
                    }
                }
                else if (this.AuditOptions.Keys.Contains("WinRmRemoteIp") || this.AuditOptions.Keys.Contains("WinRmRemoteHost"))
                {
                    if (!this.AuditOptions.Keys.Contains("RemoteUser") || !this.AuditOptions.Keys.Contains("RemotePass"))
                    {
                        throw new Exception("A remote user and password must be specified.");
                    }
                    WinRmAuditEnvironment winrm;
                    if (this.AuditOptions.Keys.Contains("WinRmRemoteIp"))
                    {
                        winrm = new WinRmAuditEnvironment(this.HostEnvironmentMessage, this.AuditOptions["WinRmRemoteIp"] as IPAddress,
                                                          (string)this.AuditOptions["RemoteUser"], (SecureString)this.AuditOptions["RemotePass"], this.HostEnvironment);
                        if (winrm.IsConnected)
                        {
                            this.AuditEnvironment                 = winrm;
                            this.AuditEnvironmentIntialised       = true;
                            this.AuditEnvironmentMessage          = AuditTarget_AuditEnvironmentMessageHandler;
                            this.AuditEnvironment.MessageHandler -= HostEnvironmentMessage;
                            this.AuditEnvironment.MessageHandler += this.AuditEnvironmentMessage;
                        }
                        else
                        {
                            winrm = null;
                            this.AuditEnvironmentIntialised = false;
                            throw new Exception("Failed to initialise WinRM audit environment.");
                        }
                    }
                    else
                    {
                        winrm = new WinRmAuditEnvironment(this.HostEnvironmentMessage, (string)this.AuditOptions["WinRmRemoteHost"],
                                                          (string)this.AuditOptions["RemoteUser"], (SecureString)this.AuditOptions["RemotePass"], this.HostEnvironment);
                    }
                }
                else if (this.AuditOptions.Keys.Contains("RemoteUser") || this.AuditOptions.Keys.Contains("RemotePass"))
                {
                    throw new Exception("A remote host name must be specified.");
                }
                else if (this.AuditOptions.ContainsKey("Dockerized"))
                {
                    this.AuditEnvironmentMessage    = AuditTarget_AuditEnvironmentMessageHandler;
                    this.AuditEnvironment           = new DockerizedLocalEnvironment(this.AuditEnvironmentMessage);
                    this.AuditEnvironmentIntialised = true;
                }
                else if (this.AuditOptions.ContainsKey("GitHubRepoName"))
                {
                    if (!this.AuditOptions.ContainsKey("GitHubRepoOwner") || !this.AuditOptions.ContainsKey("GitHubRepoBranch"))
                    {
                        throw new ArgumentException("A required audit option for the GitHub environment is missing.");
                    }
                    string user_api_token = string.Empty;
                    if (this.AuditOptions.ContainsKey("GitHubToken"))
                    {
                        user_api_token = (string)this.AuditOptions["GitHubToken"];
                    }
                    GitHubAuditEnvironment github_environment = new GitHubAuditEnvironment(this.HostEnvironmentMessage, user_api_token, (string)this.AuditOptions["GitHubRepoOwner"],
                                                                                           (string)this.AuditOptions["GitHubRepoName"], (string)this.AuditOptions["GitHubRepoBranch"], this.HostEnvironment);
                    if (github_environment.RepositoryInitialised)
                    {
                        this.AuditEnvironment                 = github_environment;
                        this.AuditEnvironmentIntialised       = true;
                        this.AuditEnvironmentMessage          = AuditTarget_AuditEnvironmentMessageHandler;
                        this.AuditEnvironment.MessageHandler -= HostEnvironmentMessage;
                        this.AuditEnvironment.MessageHandler += this.AuditEnvironmentMessage;
                    }
                    else
                    {
                        github_environment = null;
                        this.AuditEnvironmentIntialised = false;
                        throw new Exception("Failed to initialise GitHub audit environment.");
                    }
                }
                else if (this.AuditOptions.ContainsKey("GitLabRepoName"))
                {
                    string api_token = string.Empty;
                    if (!this.AuditOptions.ContainsKey("GitLabRepoUrl") || !this.AuditOptions.ContainsKey("GitLabRepoName") || !this.AuditOptions.ContainsKey("GitLabRepoBranch"))
                    {
                        throw new ArgumentException("A required audit option for the GitLab environment is missing.");
                    }
                    GitLabAuditEnvironment GitLab_environment = new GitLabAuditEnvironment(this.HostEnvironmentMessage, api_token, (string)this.AuditOptions["GitLabRepoUrl"],
                                                                                           (string)this.AuditOptions["GitLabRepoName"], (string)this.AuditOptions["GitLabRepoBranch"], this.HostEnvironment);
                    if (GitLab_environment.RepositoryInitialised)
                    {
                        this.AuditEnvironment                 = GitLab_environment;
                        this.AuditEnvironmentIntialised       = true;
                        this.AuditEnvironmentMessage          = AuditTarget_AuditEnvironmentMessageHandler;
                        this.AuditEnvironment.MessageHandler -= HostEnvironmentMessage;
                        this.AuditEnvironment.MessageHandler += this.AuditEnvironmentMessage;
                    }
                    else
                    {
                        GitLab_environment = null;
                        this.AuditEnvironmentIntialised = false;
                        throw new Exception("Failed to initialise audit environment.");
                    }
                }
                else
                {
                    this.AuditEnvironmentMessage    = AuditTarget_AuditEnvironmentMessageHandler;
                    this.AuditEnvironment           = new LocalEnvironment(this.AuditEnvironmentMessage);
                    this.AuditEnvironmentIntialised = true;
                }
                if (this.AuditOptions.ContainsKey("Profile"))
                {
                    AuditFileInfo pf = this.AuditEnvironment.ConstructFile((string)this.AuditOptions["Profile"]);
                    if (pf.Exists)
                    {
                        this.AuditProfile = new AuditProfile(this.AuditEnvironment, pf);
                    }
                    else
                    {
                        this.AuditEnvironment.Warning("The profile file {0} does not exist. No audit profile will be used.", pf.FullName);
                    }
                }

                if (this.AuditEnvironment is IOperatingSystemEnvironment)
                {
                    this.AuditEnvironment.GetOSName();
                    this.AuditEnvironment.GetOSVersion();
                    if (this.AuditOptions.ContainsKey("OSName"))
                    {
                        this.AuditEnvironment.OSName = (string)this.AuditOptions["OSName"];
                        this.AuditEnvironment.Info("Overriding audit environment OS name to {0}.", this.AuditEnvironment.OSName);
                    }
                    if (this.AuditOptions.ContainsKey("OSVersion"))
                    {
                        this.AuditEnvironment.OSVersion = (string)this.AuditOptions["OSVersion"];
                        this.AuditEnvironment.Info("Overriding audit environment OS version to {0}.", this.AuditEnvironment.OSVersion);
                    }
                }
            }
            #endregion

            #region Setup data source options
            if (this.AuditOptions.ContainsKey("NoCache"))
            {
                this.DataSourceOptions.Add("NoCache", true);
            }

            if (this.AuditOptions.ContainsKey("DeleteCache"))
            {
                this.DataSourceOptions.Add("DeleteCache", true);
            }

            if (this.AuditOptions.ContainsKey("HttpsProxy"))
            {
                DataSourceOptions.Add("HttpsProxy", (Uri)this.AuditOptions["HttpsProxy"]);
            }

            if (this.AuditOptions.ContainsKey("IgnoreHttpsCertErrors"))
            {
                this.DataSourceOptions.Add("IgnoreHttpsCertErrors", true);
            }

            if (this.AuditOptions.ContainsKey("ApiUser"))
            {
                this.DataSourceOptions.Add("ApiUser", this.AuditOptions["ApiUser"]);
            }
            else if (!string.IsNullOrEmpty(Environment.GetEnvironmentVariable("API_USER")))
            {
                this.DataSourceOptions.Add("ApiUser", Environment.GetEnvironmentVariable("API_USER"));
            }

            if (this.AuditOptions.ContainsKey("ApiToken"))
            {
                this.DataSourceOptions.Add("ApiToken", this.AuditOptions["ApiToken"]);
            }
            else if (!string.IsNullOrEmpty(Environment.GetEnvironmentVariable("API_TOKEN")))
            {
                this.DataSourceOptions.Add("ApiToken", Environment.GetEnvironmentVariable("API_TOKEN"));
            }

            if (this.AuditOptions.ContainsKey("WithOSSI"))
            {
                this.DataSources.Add(new OSSIndexApiv3DataSource(this, DataSourceOptions));
            }

            if (this.AuditOptions.ContainsKey("WithVulners"))
            {
                this.DataSources.Add(new VulnersDataSource(this, DataSourceOptions));
            }
            #endregion

            #region Setup audit profile
            if (this.AuditEnvironment.FileExists("devaudit.yml"))
            {
                this.AuditProfile = new AuditProfile(this.AuditEnvironment, this.AuditEnvironment.ConstructFile("devaudit.yml"));
            }

            #endregion
        }
示例#2
0
        public AuditTarget(Dictionary <string, object> audit_options, EventHandler <EnvironmentEventArgs> controller_message_handler = null)
        {
            if (ReferenceEquals(audit_options, null))
            {
                throw new ArgumentNullException("audit_options");
            }
            this.AuditOptions           = audit_options;
            this.ControllerMessage      = controller_message_handler;
            this.HostEnvironmentMessage = AuditTarget_HostEnvironmentMessageHandler;
            this.HostEnvironment        = new LocalEnvironment(this.HostEnvironmentMessage);
            this.HostEnvironment.ScriptEnvironment.MessageHandler += this.AuditTarget_ScriptEnvironmentMessageHandler;
            if (this.AuditOptions.ContainsKey("Dockerized"))
            {
                this.HostEnvironment.IsDockerContainer = true;
            }
            this.HostEnvironmentInitialised = true;
            if (this.AuditOptions.Keys.Contains("DockerContainer"))
            {
                DockerAuditEnvironment docker_environment = new DockerAuditEnvironment(this.HostEnvironmentMessage, (string)this.AuditOptions["DockerContainer"], new OperatingSystem(PlatformID.Unix, new Version(0, 0)), this.HostEnvironment);
                if (string.IsNullOrEmpty(docker_environment.Container))
                {
                    this.AuditEnvironmentIntialised = false;
                    throw new Exception("Failed to initialise audit environment.");
                }
                else if (!docker_environment.ContainerRunning)
                {
                    this.AuditEnvironmentIntialised = false;
                    throw new Exception("The Docker container is not currently running and DevAudit does not know how to run your container. Ensure your container is running before attempting to" +
                                        "audit it.");
                }
                else
                {
                    this.AuditEnvironment                 = docker_environment;
                    this.AuditEnvironmentIntialised       = true;
                    this.AuditEnvironmentMessage          = AuditTarget_AuditEnvironmentMessageHandler;
                    this.AuditEnvironment.MessageHandler -= HostEnvironmentMessage;
                    this.AuditEnvironment.MessageHandler += this.AuditEnvironmentMessage;
                }
            }
            else if (this.AuditOptions.Keys.Contains("RemoteHost"))
            {
                string client;
                SshAuditEnvironment ssh_environment = null;

                if (this.HostEnvironment.OS.Platform == PlatformID.Win32NT)
                {
                    client = this.AuditOptions.Keys.Contains("WindowsUsePlink") ? "plink" : this.AuditOptions.Keys.Contains("WindowsUsePlink") ? "openssh" : "ssh";
                }
                else
                {
                    client = "ssh";
                }

                if (this.AuditOptions.Keys.Contains("RemoteUser") && this.AuditOptions.Keys.Contains("RemoteKeyFile"))
                {
                    if (this.AuditOptions.Keys.Contains("RemoteKeyPassPhrase"))
                    {
                        ssh_environment = new SshAuditEnvironment(this.HostEnvironmentMessage, client, (string)this.AuditOptions["RemoteHost"], (int)this.AuditOptions["RemoteSshPort"],
                                                                  (string)this.AuditOptions["RemoteUser"], this.AuditOptions["RemoteKeyPassPhrase"], (string)this.AuditOptions["RemoteKeyFile"], new OperatingSystem(PlatformID.Unix, new Version(0, 0)), this.HostEnvironment);
                    }
                    else
                    {
                        ssh_environment = new SshAuditEnvironment(this.HostEnvironmentMessage, client, (string)this.AuditOptions["RemoteHost"], (int)this.AuditOptions["RemoteSshPort"],
                                                                  (string)this.AuditOptions["RemoteUser"], null, (string)this.AuditOptions["RemoteKeyFile"], new OperatingSystem(PlatformID.Unix, new Version(0, 0)), this.HostEnvironment);
                    }
                }
                else if (this.AuditOptions.Keys.Contains("RemoteUser") && this.AuditOptions.Keys.Contains("RemotePass"))
                {
                    ssh_environment = new SshAuditEnvironment(this.HostEnvironmentMessage, client, (string)this.AuditOptions["RemoteHost"], (int)this.AuditOptions["RemoteSshPort"],
                                                              (string)this.AuditOptions["RemoteUser"], this.AuditOptions["RemotePass"], null, new OperatingSystem(PlatformID.Unix, new Version(0, 0)), this.HostEnvironment);
                }
                else
                {
                    throw new Exception("Unknown remote host authentication options.");
                }

                if (ssh_environment.IsConnected)
                {
                    this.AuditEnvironment                 = ssh_environment;
                    this.AuditEnvironmentIntialised       = true;
                    this.AuditEnvironmentMessage          = AuditTarget_AuditEnvironmentMessageHandler;
                    this.AuditEnvironment.MessageHandler -= HostEnvironmentMessage;
                    this.AuditEnvironment.MessageHandler += this.AuditEnvironmentMessage;
                }
                else
                {
                    ssh_environment = null;
                    this.AuditEnvironmentIntialised = false;
                    throw new Exception("Failed to initialise SSH audit environment.");
                }
            }
            else if (this.AuditOptions.Keys.Contains("WinRmRemoteIp") || this.AuditOptions.Keys.Contains("WinRmRemoteHost"))
            {
                if (!this.AuditOptions.Keys.Contains("RemoteUser") || !this.AuditOptions.Keys.Contains("RemotePass"))
                {
                    throw new Exception("A remote user and password must be specified.");
                }
                WinRmAuditEnvironment winrm;
                if (this.AuditOptions.Keys.Contains("WinRmRemoteIp"))
                {
                    winrm = new WinRmAuditEnvironment(this.HostEnvironmentMessage, this.AuditOptions["WinRmRemoteIp"] as IPAddress,
                                                      (string)this.AuditOptions["RemoteUser"], (SecureString)this.AuditOptions["RemotePass"], this.HostEnvironment);
                    if (winrm.IsConnected)
                    {
                        this.AuditEnvironment                 = winrm;
                        this.AuditEnvironmentIntialised       = true;
                        this.AuditEnvironmentMessage          = AuditTarget_AuditEnvironmentMessageHandler;
                        this.AuditEnvironment.MessageHandler -= HostEnvironmentMessage;
                        this.AuditEnvironment.MessageHandler += this.AuditEnvironmentMessage;
                    }
                    else
                    {
                        winrm = null;
                        this.AuditEnvironmentIntialised = false;
                        throw new Exception("Failed to initialise WinRM audit environment.");
                    }
                }
                else
                {
                    winrm = new WinRmAuditEnvironment(this.HostEnvironmentMessage, (string)this.AuditOptions["WinRmRemoteHost"],
                                                      (string)this.AuditOptions["RemoteUser"], (SecureString)this.AuditOptions["RemotePass"], this.HostEnvironment);
                }
            }
            else if (this.AuditOptions.Keys.Contains("RemoteUser") || this.AuditOptions.Keys.Contains("RemotePass"))
            {
                throw new Exception("A remote host name must be specified.");
            }
            else if (this.AuditOptions.ContainsKey("Dockerized"))
            {
                this.AuditEnvironmentMessage    = AuditTarget_AuditEnvironmentMessageHandler;
                this.AuditEnvironment           = new DockerizedLocalEnvironment(this.AuditEnvironmentMessage);
                this.AuditEnvironmentIntialised = true;
            }
            else if (this.AuditOptions.ContainsKey("GitHubRepoName"))
            {
                if (!this.AuditOptions.ContainsKey("GitHubRepoOwner") || !this.AuditOptions.ContainsKey("GitHubRepoBranch"))
                {
                    throw new ArgumentException("A required audit option for the GitHub environment is missing.");
                }
                string user_api_token = string.Empty;
                if (this.AuditOptions.ContainsKey("GitHubToken"))
                {
                    user_api_token = (string)this.AuditOptions["GitHubToken"];
                }
                GitHubAuditEnvironment github_environment = new GitHubAuditEnvironment(this.HostEnvironmentMessage, user_api_token, (string)this.AuditOptions["GitHubRepoOwner"],
                                                                                       (string)this.AuditOptions["GitHubRepoName"], (string)this.AuditOptions["GitHubRepoBranch"], this.HostEnvironment);
                if (github_environment.RepositoryInitialised)
                {
                    this.AuditEnvironment                 = github_environment;
                    this.AuditEnvironmentIntialised       = true;
                    this.AuditEnvironmentMessage          = AuditTarget_AuditEnvironmentMessageHandler;
                    this.AuditEnvironment.MessageHandler -= HostEnvironmentMessage;
                    this.AuditEnvironment.MessageHandler += this.AuditEnvironmentMessage;
                }
                else
                {
                    github_environment = null;
                    this.AuditEnvironmentIntialised = false;
                    throw new Exception("Failed to initialise GitHub audit environment.");
                }
            }
            else if (this.AuditOptions.ContainsKey("GitLabRepoName"))
            {
                string api_token = string.Empty;
                if (!this.AuditOptions.ContainsKey("GitLabRepoUrl") || !this.AuditOptions.ContainsKey("GitLabRepoName") || !this.AuditOptions.ContainsKey("GitLabRepoBranch"))
                {
                    throw new ArgumentException("A required audit option for the GitLab environment is missing.");
                }
                GitLabAuditEnvironment GitLab_environment = new GitLabAuditEnvironment(this.HostEnvironmentMessage, api_token, (string)this.AuditOptions["GitLabRepoUrl"],
                                                                                       (string)this.AuditOptions["GitLabRepoName"], (string)this.AuditOptions["GitLabRepoBranch"], this.HostEnvironment);
                if (GitLab_environment.RepositoryInitialised)
                {
                    this.AuditEnvironment                 = GitLab_environment;
                    this.AuditEnvironmentIntialised       = true;
                    this.AuditEnvironmentMessage          = AuditTarget_AuditEnvironmentMessageHandler;
                    this.AuditEnvironment.MessageHandler -= HostEnvironmentMessage;
                    this.AuditEnvironment.MessageHandler += this.AuditEnvironmentMessage;
                }
                else
                {
                    GitLab_environment = null;
                    this.AuditEnvironmentIntialised = false;
                    throw new Exception("Failed to initialise audit environment.");
                }
            }
            else
            {
                this.AuditEnvironmentMessage    = AuditTarget_AuditEnvironmentMessageHandler;
                this.AuditEnvironment           = new LocalEnvironment(this.AuditEnvironmentMessage);
                this.AuditEnvironmentIntialised = true;
            }
            if (this.AuditOptions.ContainsKey("Profile"))
            {
                AuditFileInfo pf = this.AuditEnvironment.ConstructFile((string)this.AuditOptions["Profile"]);
                if (pf.Exists)
                {
                    this.AuditProfile = new AuditProfile(this.AuditEnvironment, pf);
                }
                else
                {
                    this.AuditEnvironment.Warning("The profile file {0} does not exist. No audit profile will be used.", pf.FullName);
                }
            }
        }